HIGH 7.3 Microsoft
CVE-2026-32177
.NET Elevation of Privilege Vulnerability
Microsoft Security Update 2026-May: .NET Elevation of Privilege Vulnerability
Affected Products
- .NET 10.0 installed on Windows
- .NET 8.0 installed on Windows
- .NET 9.0 installed on Windows
- Microsoft Visual Studio 2022 version 17.12
- Microsoft Visual Studio 2022 version 17.14
- Microsoft Visual Studio 2026 version 18.5
- Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems
- Microsoft .NET Framework 4.8 on Windows Server 2016
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32177
- https://nvd.nist.gov/vuln/detail/CVE-2026-32177
This high severity vulnerability with a CVSS score of 7.3 was published on 2026-05-12 via Microsoft. Affected: .NET 10.0 installed on Windows, .NET 8.0 installed on Windows, .NET 9.0 installed on Windows and 5 more.
vulnfeed aggregates 9214 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.